According to the principles for identifying hazardous chemicals stipulated in the "Catalogue of Hazardous Chemicals (2015)," the hazards of hazardous chemicals include 28 major categories and 81 subcategories.

Physical hazards

• Explosives: Unstable explosives, 1.1, 1.2, 1.3, 1.4.
• Flammable gases: Category 1, Category 2, Chemically unstable gases Category A, Chemically unstable gases Category B.
• Aerosols: Category 1.
• Oxidizing gases: Category 1.
• Pressurized gases: Compressed gases, liquefied gases, refrigerated liquefied gases, dissolved gases.
• Flammable liquids: Category 1, Category 2, Category 3.
• Flammable solids: Category 1, Category 2.
• Self-reactive substances and mixtures: Type A, B, C, D, E.
• Pyrophoric liquids: Category 1.
• Pyrophoric solids: Category 1.
• Self-heating substances and mixtures: Category 1, Category 2.
• Substances and mixtures which, in contact with water, emit flammable gases: Category 1, Category 2, Category 3.
• Oxidizing liquids: Category 1, Category 2, Category 3.
• Oxidizing solids: Category 1, Category 2, Category 3.
• Organic peroxides: Type A, B, C, D, E, F.
• Metal corrosives: Category 1.

Health hazards

• Acute toxicity: Category 1, Category 2, Category 3.
• Skin corrosion/irritation: Category 1A, 1B, 1C, Category 2.
• Serious eye damage/eye irritation: Category 1, Category 2A, Category 2B.
• Respiratory or skin sensitization: Respiratory sensitizer 1A, 1B, Skin sensitizer 1A, 1B.
• Germ cell mutagenicity: Category 1A, 1B, Category 2.
• Carcinogenicity: Category 1A, 1B, Category 2.
• Reproductive toxicity: Category 1A, 1B, Category 2, Additional category.
• Specific target organ toxicity - single exposure: Category 1, Category 2, Category 3.
• Specific target organ toxicity - repeated exposure: Category 1, Category 2.
• Inhalation hazard: Category 1.

Environmental hazards

• Hazardous to the aquatic environment - acute hazard: Category 1, Category 2;
• Hazardous to the aquatic environment - long-term hazard: Category 1, Category 2, Category 3.
• Hazardous to the ozone layer: Category 1.

Attachments

1. Catalogue of Hazardous Chemicals (2015)
2. Announcement on the Adjustment of the Catalogue of Hazardous Chemicals (2015)

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